private void validatePdfSignature(string filePath)
{
var policy = PadesPoliciesForValidation.GetPadesBasic(App.GetTrustArbitrator());
var padesSignature = PadesSignature.Open(filePath);
Signers.Clear();
foreach (var signer in padesSignature.Signers)
{
var vr = padesSignature.ValidateSignature(signer, policy);
Signers.Add(new SignerItem(getSignerDescription(signer, vr), vr));
}
}
/**
* This action open a Cades file and inspect its signatures.
*/
public ActionResult Index(string userfile)
{
// Our action only works if a userfile is given to work with.
byte[] userfileContent;
if (!StorageMock.TryGetFile(userfile, out userfileContent))
{
return(HttpNotFound());
}
// Open Cades file
var signature = PadesSignature.Open(userfileContent);
// Specify the parameters for the signature validation:
// Define the trust arbitrator used to validate the certificate.
var trustArbitrator = Util.GetTrustArbitrator();
var policyMapper = PadesPoliciesForValidation.GetPadesBasic(trustArbitrator);
return(View(new OpenPadesSignatureModel()
{
Signature = new PadesSignatureModel(signature, policyMapper)
}));
}
// GET: CheckPadesSdk?c={id}
public ActionResult Index(string c)
{
// On PrinterFriendlyVersionController, we stored the unformatted version of the verification
// code (without hyphens) but used the formatted version (with hiphens) on the printer-friendly
// PDF. Now, we remove the hyphens before looking it up.
var verificationCode = AlphaCode.Parse(c);
// Get document associated with verification code.
var fileId = StorageMock.LookupVerificationCode(verificationCode);
if (fileId == null)
{
// Invalid code give!
// Small delay to slow down brute-force attacks (if you want to be extra careful you might
// want to add a CAPTCHA to the process).
Thread.Sleep(TimeSpan.FromSeconds(2));
// Return Not Found
return(HttpNotFound());
}
// Read document from storage.
var fileContent = StorageMock.Read(fileId);
var signature = PadesSignature.Open(fileContent);
// Specify the parameters for the signature validation:
// Define the trust arbitrator used to validate the certificate.
var trustArbitrator = Util.GetTrustArbitrator();
var policyMapper = PadesPoliciesForValidation.GetPadesBasic(trustArbitrator);
// Render the information (see file Check/Index.html for more information on
// the information returned).
return(View(new OpenPadesSignatureModel()
{
Signature = new PadesSignatureModel(signature, policyMapper),
File = fileId
}));
}
